25343101423 has 2 divisors, whose sum is σ = 25343101424. Its totient is φ = 25343101422.

The previous prime is 25343101397. The next prime is 25343101453. The reversal of 25343101423 is 32410134352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25343101423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25343101391 and 25343101400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25343101453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12671550711 + 12671550712.

It is an arithmetic number, because the mean of its divisors is an integer number (12671550712).

Almost surely, 2^25343101423 is an apocalyptic number.

25343101423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25343101423 is an equidigital number, since it uses as much as digits as its factorization.

25343101423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 25343101423 its reverse (32410134352), we get a palindrome (57753235775).

The spelling of 25343101423 in words is "twenty-five billion, three hundred forty-three million, one hundred one thousand, four hundred twenty-three".